20053319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 25510464

約数和(自身を除く): 5457145

約数列:

[1, 11, 13, 17, 73, 113, 143, 187, 221, 803, 949, 1241, 1243, 1469, 1921, 2431, 8249, 10439, 13651, 16133, 16159, 21131, 24973, 90739, 107237, 140233, 177463, 274703, 1179607, 1542563, 1823029, 20053319]

約数ペア:

[(1, 20053319), (11, 1823029), (13, 1542563), (17, 1179607), (73, 274703), (113, 177463), (143, 140233), (187, 107237), (221, 90739), (803, 24973), (949, 21131), (1241, 16159), (1243, 16133), (1469, 13651), (1921, 10439), (2431, 8249)]